484939139 has 2 divisors, whose sum is σ = 484939140. Its totient is φ = 484939138.

The previous prime is 484939123. The next prime is 484939151. The reversal of 484939139 is 931939484.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 484939139 - 2⁴ = 484939123 is a prime.

It is a super-2 number, since 2×484939139² = 470331937068122642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (484939639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242469569 + 242469570.

It is an arithmetic number, because the mean of its divisors is an integer number (242469570).

Almost surely, 2^484939139 is an apocalyptic number.

484939139 is a deficient number, since it is larger than the sum of its proper divisors (1).

484939139 is an equidigital number, since it uses as much as digits as its factorization.

484939139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 484939139 is about 22021.3337243683. Note that the first 3 decimals coincide. The cubic root of 484939139 is about 785.6499351895.

The spelling of 484939139 in words is "four hundred eighty-four million, nine hundred thirty-nine thousand, one hundred thirty-nine".